EcoTech XR15 Blue or Pro?

[BluTang85]

Looking to upgrade from my reefbreeder photon v2 to 4 EcoTech xr15’s On my 4ft 120 gallon tank. Should I go with the Blues or the Pros?
what spectrum looks better?

 

[Big G]

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[User1]

Looking to upgrade from my reefbreeder photon v2 to 4 EcoTech xr15’s On my 4ft 120 gallon tank. Should I go with the Blues or the Pros?
what spectrum looks better?

That is going to be a personal choice. My advise is to find a LFS or a fellow hobbyist who has them, look in first person, and then decide. Both will work and grow coral.